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581718C2 — 581718C2

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

581718C2: 581718C2.

The 581718C2 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-099-0397, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
581718C2
NSN: 5310-01-099-0397
FSC: 5310 — Nuts and Washers
CAGE: 89346 — NAVISTAR INTL CORP TRUCK BR OHIO PLANT (USA)
SPECIFICATIONS
Part Number581718C2
NSN5310-01-099-0397
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 581718C2 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 4
2024542Reference document
Same NSN cross-reference
Reference document — Secondary reference
287720Reference document
Same NSN cross-reference
Reference document — Secondary reference
1227K1051Reference document
Same NSN cross-reference
Reference document — Secondary reference
492319-C1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 581718C2?
581718C2 is a 581718C2.
What parts can replace 581718C2?
There are 4 known substitutes for 581718C2: 2024542, 287720, 1227K1051 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 581718C2?
581718C2 is cataloged in the U.S. Government catalog under NSN 5310-01-099-0397. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.